additional com-port

[Maxim Mazurok]

On Sat, Jun 14, 2003 at 12:49:13AM +0200, Bernd Walter wrote:

>> i have small trouble
>> i need to add subj to alpha
>> 164SX mainboard
>> i insert ISA com port width port 0x3e8 and irq 4
>> 
>> root at chinger:~#uname -a
>> FreeBSD chinger.km.ua 4.8-STABLE FreeBSD 4.8-STABLE #10: Sun Jun  1 13:41:11 EEST 2003     root at chinger.km.ua:/var/opt/src/sys/compile/ALEPH  alpha
>> root at chinger:~#cat /sys/alpha/conf/ALEPH | grep COM
>> # Serial (COM) ports (required)
>> device          sio0    at isa? port IO_COM1 irq 4
>> device          sio1    at isa? port IO_COM2 irq 3 flags 0x50
>> device          sio2    at isa? port IO_COM3 irq 4
>> root at chinger:~#cat /var/run/dmesg.boot | grep sio[0-2]
>> sio0 at port 0x3f8-0x3ff irq 4 on isa0
>> sio0: type 16550A, console
>> sio0: interrupting at ISA irq 4
>> sio1: reserved for low-level i/o
>> sio2: configured irq 4 not in bitmap of probed irqs 0
>> sio2 at port 0x3e8-0x3ef irq 4 on isa0
>> sio2: type 16450
>> 
>> where i wrong?
>
>You can't share ISA IRQs.

ok, can i deactivate one of onboard port.
i need only serial console and my additional card.

-- 
Maxim Mazurok  (MMP2-RIPE)